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PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 5/8 in Tip Size, 4 in Overall Lg - Hex Bit Sockets
PROTOHex Bit Sockets

PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 5/8 in Tip Size, 4 in Overall Lg

The PROTO Socket Bit (SKU 3G-OTH-305387, MPN J54415/8-TT) is a hex bit socket with a 1/2 in drive size, 5/8 in tip size, and 4 in overall length. It features a fixed insert design and is SAE-sized. This tool is…

SKU 3G-OTH-305387

Also listed as: J544158TT · J54415 8 TT · J54415-8-TT

Brand
PROTO
Item
Socket Bit: 1/2 in Drive Size, Hex Tip, 5/8 in Tip Size, 4 in Overall Lg
Category
Hex Bit Sockets
Available to Order
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Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J54415/8-TT
Type
Hex Tip, Fixed Insert, SAE
Overall Lg
4 in
Tip Size
5/8 in

Technical Documents

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Socket Bit (SKU 3G-OTH-305387, MPN J54415/8-TT) is a hex bit socket with a 1/2 in drive size, 5/8 in tip size, and 4 in overall length. It features a fixed insert design and is SAE-sized. This tool is manufactured by PROTO.

Frequently Asked Questions

What is the PROTO J54415/8-TT socket bit used for?

The PROTO J54415/8-TT socket bit is used for driving hex fasteners in industrial assembly, maintenance, and repair tasks. Its 1/2 in drive and 5/8 in hex tip suit SAE applications in automotive, manufacturing, and heavy equipment sectors where a fixed insert design provides secure engagement.

What are the specifications of the PROTO J54415/8-TT hex bit socket?

The PROTO J54415/8-TT hex bit socket has a 1/2 in drive size, 5/8 in hex tip size, and 4 in overall length. It features a fixed insert design and is SAE-sized. The manufacturer part number is J54415/8-TT, and the SKU is 24AJ50. PROTO is the OEM brand.

Where to buy the PROTO J54415/8-TT socket bit worldwide?

You can source the PROTO J54415/8-TT socket bit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive sourcing for this PROTO hex bit socket.

How to select the correct PROTO hex bit socket for SAE fasteners?

To select the correct PROTO hex bit socket, match the drive size (e.g., 1/2 in) to your ratchet or driver, and the tip size (e.g., 5/8 in) to the fastener head. Ensure the overall length (e.g., 4 in) provides adequate reach. The fixed insert design of the J54415/8-TT suits high-torque applications without bit slippage.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO Products

3G Electric supplies PROTO hex bit sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
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PROTO Socket: SAE, 1/4 in Drive Size, 5/16 in Socket Size, 12-Point, Std, Black Oxide, Socket (MPN J4710TB)
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PROTO Socket: Metric, 3/4 in Drive Size, 25 mm Socket Size, 12-Point, Std, Satin, Not Tether Capable (MPN J5525M)
PROTO Socket: 1/4 in Drive Size, SAE, 5/16 in Socket Size, 6-Point, Std, 7/8 in Overall Lg, Socket (MPN J4710B)
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PROTO Socket: 1/4 in Drive Size, SAE, 5/16 in Socket Size, 6-Point, Std, 7/8 in Overall Lg, Socket (MPN J4710B)

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